7 surprising reasons you can’t sleep through the night
You probably knew about the effects of having caffeine late in the day. But what about these other causes of sleeplessness?
Jan, 2026
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Are you great at falling asleep at night, but not so great at staying asleep? You might know that certain things, such as caffeine, alcohol, depression, stress, and smartphone use can affect your shut-eye. But you may not be aware that other, lesser-known factors can also interrupt your sleep, including some medications, your room setup, and even your pet.
Never fear. You can get the rest you need. Here are seven surprising things that may be causing your sleep issues, plus ways to get back to bed.
Written byOlivia DeLong.
Medically reviewed byMark Arredondo, MD.
Sources: Harvard Health Publishing. Are your medications keeping you up at night? December 1 + 12
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